pag 16
SYSTEM COMPOSITION
The complete system is made of the following modules.
Some are optional so they could not be present.
Some are supplied in packages separated by the unit: verify the shipping documents.
MAIN ADJUSTMENT MODULE
STANDARD ON THE UNIT - code C5110776
It controls unit (inlets, outlets, configuration parameters)
EXPANSION PLUG-IN MODULE
OPTIONAL - code C5110767
Plugged-in on the main module.
It controls some inputs and outputs.
HID-P1 ROOM THERMOSTAT
STANDARD - Code PE6B0015
Equipped with a thermoregulation probe that is used:
• in case of failure of the probe on the unit return
• if the return probe is disabled by parameter
REMOTE KEYPAD
OPTIONAL - Code PE6B0017
It remotely repeats all functions available on the machine keyboard
SERIAL CONVERTER TTL/RS485
OPTIONAL - code PE6B0020
The supervision services are available, with standard modbus protocol. Plugged-
in in the main module on the electric board (see lay in the wiring diagram). It is
possible to connect up to 127 units with a single supervision system.
The connection with a PC must use a RS485/232 converter; the serial line RS232
can be max. 10-m long.
CONNECTIONS:
refer to the wiring diagram and to the SERIAL LINES/DATA paragraph
SPECIFICS FOR THE RS485 CONNECTION
• cable with 2 twisted wires + screen
• the serial line RS-485 can be max. 1000-m long.
E
c
o
21.0
C
l
e
a
n
REMOTE
ECO
AUTO
LN9192
S
T
A
T
U
S
S
E
T
A
L
A
R
M
2
1
81234567
CN2
1210911
16
+5V
13 14 15
gnd
1917 18 2120
SERIALE
TTL / RS485
CN1
gnd
12VAC
+-
12 V AC
CN1 CN1
1918 20 21 2018 19 21
RS-485
RS-232
gnd
-
+
Supervisore
TTL /
RS485
+
-
ALLE ALTRE
UNITA’
12 V AC
gnd
TTL /
RS485
-
gnd
+
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